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The following packages have unmet dependencies:
displaycal : Depends: python (< 2.8) but it is not installable
Depends: python (>= 2.7~) but it is not installable
Depends: python:any (< 2.8) but it is not installable
Depends: python:any (>= 2.7.5-5~) but it is not installable
Depends: python-wxgtk3.0 (>= 3.0) but it is not installable or
python-wxgtk2.8 (>= 2.8.11) but it is not installable
Depends: python-numpy (>= 1.0) but it is not installable
Depends: python-psutil but it is not going to be installed
Depends: python-gi but it is not installable
Depends: libsdl2-mixer-2.0-0 but it is not installable
Recommends: argyll but it is not installable
E: Unable to correct problems, you have held broken packages.
I’m pretty sure python is installed.
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